# Mary Deirdre Johnston, MD

Source: https://ourhealthnetwork.com/doctor/mary-johnston-md-1881670958
NPI: 1881670958
Data source: CMS NPI Registry (NPPES), refreshed monthly

## Quick facts

Mary Deirdre Johnston, MD is a geriatric psychiatry based in Baltimore, MD with NPI 1881670958.

## Profile

- Primary specialty: Geriatric Psychiatry
- Credential: MD
- Gender: Female
- NPI: 1881670958 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1881670958))

## Practice and contact

- Address: 600 N Wolfe Street, Johns Hopkins University School Of Medicine, Baltimore, MD, 212877279
- Phone: (410) 955-5147

## Insurance accepted (1 networks)

This provider is in network with the following insurance carriers, based on federal Transparency in Coverage filings and FHIR provider directories:

- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 19 plans

To verify a specific plan covers Mary Deirdre Johnston, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1881670958).

## Related on OurHealthNetwork

- [More Geriatric Psychiatry doctors in BALTIMORE, MD](https://ourhealthnetwork.com/geriatric-psychiatry/md/baltimore)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1881670958)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)